Modern wealthy heiress Qin Wan travels back to ancient times because of an ancient painting, becoming the cold-palace consort Leng Qingqing. Right at the start, she knocks Emperor Jiang Beiyu unconscious with a porcelain pillow and accidentally discovers that her cell phone can travel with her. Armed with modern knowledge and her phone, she handles crises step by step in the treacherous inner palace and outwits the consorts. Her phone can connect to the Wi-Fi of the emperor's bedchamber, allowing her to communicate across time and space with her modern best friend. She offers brilliant strategies to help defeat the enemy forces at the border, gradually develops mutual affection in a game of tug-of-war with the aloof and self-restrained emperor, and must also explore the secret of the ancient painting to find a way back to modern times. Even her best friend accidentally follows her through time, kicking off a hilarious and thrilling ancient adventure.